Lprf device wake up using wireless tag

  • US 20050215280A1
  • Filed: 05/14/2003
  • Published: 09/29/2005
  • Est. Priority Date: 12/22/2000
  • Status: Active Grant
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First Claim
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1. A wireless transceiver, comprising:

  • a low power radio frequency (LPRF) communications device capable of powering down to conserve energy and capable of powering up for receiving and transmitting, the LPRF communications device including a transmitter and a first receiver; and

    a second receiver different from the first receiver that powers up the LPRF communications device in response to a radio frequency broadcast.

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